Chapter 8: Draw Instructions 187
Before Drawing on a Graph
Before Drawing on a GraphBefore Drawing on a Graph
Before Drawing on a Graph
The DRAW instructions draw on top of graphs. Therefore, before you use the DRAW
instructions, consider whether you want to perform one or more of the following actions.
• Change the mode settings on the mode screen.
• Change the format settings on the format screen.
• Enter or edit functions in the Y= editor.
• Select or deselect functions in the Y= editor.
• Change the window variable values.
• Turn stat plots on or off.
• Clear existing drawings with
ClrDraw.
Note: If you draw on a graph and then perform any of the actions listed above, the graph
is replotted without the drawings when you display the graph again.
Drawing on a Graph
Drawing on a GraphDrawing on a Graph
Drawing on a Graph
You can use any
DRAW menu instructions except DrawInv to draw on Func, Par, Pol, and
Seq graphs.
DrawInv is valid only in Func graphing. The coordinates for all DRAW
instructions are the display’s x-coordinate and y-coordinate values.
You can use most
DRAW menu and DRAW POINTS menu instructions to draw directly on
a graph, using the cursor to identify the coordinates. You also can execute these
instructions from the home screen or from within a program. If a graph is not displayed
when you select a
DRAW menu instruction, the home screen is displayed.
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